CA01082E_Catalog 30
30 - ARRESTERS - PRODUCTS
Porcelain Housed Surge Arresters – MH4
MH4 Electrical Characteristics
Temporary overvoltage capability (kVrms)
Max steep current impulse residual voltage (kV)
Maximum switching impulse residual voltage (kV)
Maximum lightning impulse residual voltage (kV)
Base Arrester Catalog Number
Um (kV)
Ur (kV)
Uc (kV)
1s
10s
20kA
0.5kA
1kA
2kA
5kA
10kA
20kA
40kA
MH4036wx030yz MH4036wx033yz MH4036wx036yz MH4036wx039yz MH4052wx042yz MH4052wx048yz MH4052wx051yz MH4052wx054yz MH4052wx060yz MH4072wx054yz MH4072wx060yz MH4072wx066yz MH4072wx072yz MH4072wx075yz MH4072wx078yz MH4072wx081yz MH4072wx084yz MH4100wx084yz MH4100wx090yz MH4100wx096yz MH4123wx090yz MH4123wx096yz MH4123wx108yz MH4123wx120yz MH4123wx132yz MH4123wx138yz MH4145wx108yz MH4145wx120yz MH4145wx132yz MH4145wx138yz MH4145wx144yz
36 36 36 36 52 52 52 52 52 72 72 72 72 72 72 72 72
30 33 36 39 42 48
24
34.8 38.3
32.4 35.6 38.9
84
57.5
59.5 65.5
62 68
66.5
70.5
76.5
84.5 92.5 101 110 118 135 143 152 169 169 185 202 210 219 227 235 235 252 269 252 269 302 337 370 387 302 337 370 387 402 152
26.4 28.8
92.5
63
73
77.5
84
41.8
101
69
71.5
74
79.5
84.5
91.5
31.2
45.2 48.7 55.7 59.2 62.6 69.6 62.6 69.6 76.6 83.5 90.5 94.0 97.4 97.4 87.0
42.1
109
74.5
77 83
80
86
91.5
99.5 107 123 130 138 153 138 153 168 183 206 214 214 229 244 229 244 191 199
33.6 38.4 40.8 43.2
45.4 51.8 55.1 58.3 64.8 58.3 64.8 77.8 81.0 84.2 71.3
117
80.5
86.5
92.5
98.5
135 143
92 98
95.5
99
107
113
51
101
105
113
120
54
151
104
107
111
120
127
60
48
168
115
119
124
133
141
54
43.2
151
104
107
111
120
127
60 66 72 75 78 84 84 90 96 90 96 81
48
168 185 201 209
115
119 131 143 148 154 160 166 166
124 136 148 154 160 166 173 173 185 197 185 197 221 247
133
141
52.8 57.6
126 138 144 149 161 161 172 183 172 183 206 230 252 264 206 230 252 264 155
146 159 166 172 179 185 185 198 212 198 212 238 265 305 238 265 291
155
169 176 183 190 197 197
60
62.4 64.8 67.2 67.2
218
87.5
226 234 234
90.7 90.7 97.2
100 100 100 123 123 123 123 123 123 145 145 145 145 145
72
104
251
178
211
76.8
111
104
268
190
225
72
104
97
251
178
211
76.8
111
104
268
190
225 253 282 310 324 253 282 310 324 337
108 86.4
125 139 153 160 125 139 153 160
117
301
213
274
120
96
130 143 149 130 143 149 156 117
335 369 385 301 335 369 385
238
306 336
132 105.6 138 110.4 108 86.4 132 105.6 138 110.4 144 115.2 120 96
261
271
273
283
351
213
221
274
238
247
306 336
261
271
291
273
283 295
305
351
167
401
274
284
317
365
www.hubbell.com/hubbellpowersystems | 30-51
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